CLASS V. INSECTA. 149 



"** Anterior tibia notched on their inferior siile. 



Stir PS 5. — Palpi with their fourth joint conic acute. 



Genus 22. TRECHUS. Clairv., Latr., Bond., Panz., Txuch. 

 Wings complete : thorax narrower behind, the hinder margin straight, 

 the angles subroiuidcd {anterior and middle tarsi of the male with 

 the four first joints dilated). 



This genus is very nearly allied to the insects of the next Stirps. 

 Sp. 1. Tr. meridianus. Clair\'., Leach. 

 Inhabits the roots of grass and gardens. 



Gen. 23. EPAPHIUS. LeacKs MSS. 

 Ej/cs moderately hirge : zcings none : thorax narrower behind, with the 



posterior margin straight, the angles acute. {Anterior tay^si of the 



male with two dilated joints.) 

 Sp. 1. Epa. scculis. 

 C'arabus sccalis. Pai/k. 

 Inhabits Europe : it is rare in Britain. 



Genus 24. AEPUS. Leach's MSS. 

 E^es very minute : icings none : tltorax subtriangulate, the posterior 



apex deeply truncate. 

 Sp. 1. Aep. fulvcscens. Colour somewhat fulvescent; head and antennie 



slightly tinted with ferrugincous. 

 Inhabits the southern coast of Devon, and is found under stones at 



the mouths of the rivers Tamar and Yalm, 



Stirps 6. — Palpi with their fourth joint truncate, never conic. {Tarsi 

 anterior and intermediate of the male with four dilated joints.) 



Genus 25. IIARPALUS. Latr., Bonel., Leach, Panz. 

 Palpi with their fourth joint oval : thorax subquadrate transverse, with 



an impression on each side of its base : wings two. 

 Sp. 1. Har. rujicornis. Latr., Leach. 

 Inhabits Europe. Is common in Britain, under stones and in sandy 



situations. 



Stirps 7. — P«//j< with their fourth joint never conic: rein gs iwo : ti- 

 hice anterior, not palmate-dentated : mandibles short and simple : lip 

 with the tooth of its notch simple : thorax as broad as the base of 

 the abdomen : Body broad convex: antenutz linear: torsi anterior of 

 the male with three dilated joints; intermediate ones simple. 



Genus 26. ZABRUS. Clairv., Bonel, Panz., Leach. 



Palpi with their fourth joint shorter than the third : labrum emargi- 

 nate: anterior tibicc at their extremities with a triple spur: th)ruv 

 quadrate, with its base transversely subim pressed : body gibbous 

 oblong. 



Sp. 1. Zab. gibbus. 



